<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>prototype</title>

</head>
<body>
<script>
    /*x = {shift:[].shift};
    x.shift();
    console.info(x.length);*/

  /*  x = {};
    Array.prototype.shift.call(x);
    console.info(x.length);*/

   /* x = function (a, b, c) {};
    Array.prototype.shift.call(x);
    console.info(x.length);*/

    Array.prototype.forEach.call(arguments, function(i) {
        console.info(i);
    });





</script>
</body>
</html>